Twenty hurt in stabbing spree at Pennsylvania high school

At least 20 people are stabbed at a high school in the U.S. state of Pennsylvania.
Video provided by Reuters

http://archive.portclintonnewsherald.com/VideoNetwork/3449840979001/Twenty-hurt-in-stabbing-spree-at-Pennsylvania-high-schoolhttp://archive.portclintonnewsherald.com/VideoNetwork/3449840979001/Twenty-hurt-in-stabbing-spree-at-Pennsylvania-high-schoolhttp://videos.usatoday.net/Brightcove2/29906170001/2014/04/29906170001_3449667704001_th-53456ca2e4b00b15256a0c0b-1592194024001.jpgTwenty hurt in stabbing spree at Pennsylvania high schoolAt least 20 people are stabbed at a high school in the U.S. state of Pennsylvania.
Video provided by Reuters600:58